Darkair and BLO themes are same dark theme with different color variations, elegant and well designed. Both themes are available for latest GTK and compatible with Gnome Shell 3.8/3.6 versions. GTK themes are light version and almost same in with different colors, on the other side Darkair has orange artwork and Blo has Blue artwork for gnome shell.

Blo theme Screenshots

Darkair theme Screenshots

Theme tested on Ubuntu 13.04/12.10.
Nitrux-Icons used in screenshots, Also checkout icons collection
You can use Unity Tweak Tool, Gnome-tweak-tool or Ubuntu-Tweak to change themes.

To install Darkair theme on Ubuntu/Linux Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal: